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Journal Article

The absorption indicatrix as an empirical model to describe anisotropy in X-ray absorption spectra of pyroxenes

Cody J. Steven, M. Darby Dyar, Molly McCanta, Matthew Newville, Antonio Lanzirotti
Published: 01 April 2022
American Mineralogist (2022) 107 (4): 654–663.
DOI: https://doi.org/10.2138/am-2021-7950
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The atomic arrangement and electronic interactions in vonsenite at 295, 100, and 90 K

Marc Maderazzo, John M. Hughes, M. Darby Dyar, George R. Rossman, Brandon J. Ackley, Elizabeth C. Sklute, Marian V. Lupulescu, Jeffrey Chiarenzelli
Published: 03 January 2022
American Mineralogist (2022) 107 (1): 92–99.
DOI: https://doi.org/10.2138/am-2021-7851
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Controls on tetrahedral Fe(III) abundance in 2:1 phyllosilicates—Reply

Javier Cuadros, Joseph R. Michalski, M. Darby Dyar
Published: 01 September 2021
American Mineralogist (2021) 106 (9): 1536.
DOI: https://doi.org/10.2138/am-2021-8107
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Controls on tetrahedral Fe(III) abundance in 2:1 phyllosilicates

Javier Cuadros, Joseph R. Michalski, M. Darby Dyar, Vesselin Dekov
Published: 01 November 2019
American Mineralogist (2019) 104 (11): 1608–1619.
DOI: https://doi.org/10.2138/am-2019-7036
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An Occurrence of Phlogopite-rich Alteration in the Yerington District, Nevada

Simone E. Runyon, Frank K. Mazdab, Pilar Lecumberri-Sanchez, Matthew Steele-MacInnis, Eric Seedorff, M. Darby Dyar
Published: 16 May 2019
The Canadian Mineralogist (2019) 57 (3): 271–294.
DOI: https://doi.org/10.3749/canmin.1800079
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The effect of oxidation on the mineralogy and magnetic properties of olivine

Joseph Knafelc, Justin Filiberto, Eric C. Ferré, James A. Conder, Lacey Costello, Jake R. Crandall, M. Darby Dyar, Sarah A. Friedman, Daniel R. Hummer, Susanne P. Schwenzer
Published: 01 May 2019
American Mineralogist (2019) 104 (5): 694–702.
DOI: https://doi.org/10.2138/am-2019-6829
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In-situ mapping of ferric iron variations in lunar glasses using X-ray absorption spectroscopy

Molly C. McCanta, M. Darby Dyar, Antonio Lanzirotti, Matthew Newville, Laura B. Breitenfeld
Published: 01 March 2019
American Mineralogist (2019) 104 (3): 453–458.
DOI: https://doi.org/10.2138/am-2019-6863
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Predicting olivine composition using Raman spectroscopy through band shift and multivariate analyses

Laura B. Breitenfeld, M. Darby Dyar, C.J. Carey, Thomas J. Tague, Jr., Peng Wang, Terry Mullen, Mario Parente
Published: 01 November 2018
American Mineralogist (2018) 103 (11): 1827–1836.
DOI: https://doi.org/10.2138/am-2018-6291
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Making tissintite: Mimicking meteorites in the multi-anvil

Melinda J. Rucks, Matthew L. Whitaker, Timothy D. Glotch, John B. Parise, Steven J. Jaret, Tristan Catalano, M. Darby Dyar
Published: 01 September 2018
American Mineralogist (2018) 103 (9): 1516–1519.
DOI: https://doi.org/10.2138/am-2018-6539
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Accurate predictions of microscale oxygen barometry in basaltic glasses using V K -edge X-ray absorption spectroscopy: A multivariate approach

Antonio Lanzirotti, M. Darby Dyar, Stephen Sutton, Matthew Newville, Elisabet Head, CJ Carey, Molly Mccanta, Lopaka Lee, Penelope L. King, John Jones
Published: 01 August 2018
American Mineralogist (2018) 103 (8): 1282–1297.
DOI: https://doi.org/10.2138/am-2018-6319
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Characterizing the source of potentially asbestos-bearing commercial vermiculite insulation using in situ IR spectroscopy

Gregg A. Swayze, Heather A. Lowers, William M. Benzel, Roger N. Clark, Rhonda L. Driscoll, Zac S. Perlman, Todd M. Hoefen, M. Darby Dyar
Published: 01 April 2018
American Mineralogist (2018) 103 (4): 517–549.
DOI: https://doi.org/10.2138/am-2018-6022
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Chlorine incorporation in amphiboles synthesized along the magnesio-hastingsite–hastingsite compositional join

Bailey L. Mueller, David M. Jenkins, M. Darby Dyar
Published: 01 May 2017
European Journal of Mineralogy (2017) 29 (2): 167–180.
DOI: https://doi.org/10.1127/ejm/2017/0029-2606
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Submicrometer-scale spatial heterogeneity in silicate glasses using aberration-corrected scanning transmission electron microscopy

Katherine D. Burgess, Rhonda M. Stroud, M. Darby Dyar, Molly C. McCanta
Published: 01 December 2016
American Mineralogist (2016) 101 (12): 2677–2688.
DOI: https://doi.org/10.2138/am-2016-5696
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Use of multivariate analysis for synchrotron micro-XANES analysis of iron valence state in amphiboles

M. Darby Dyar, Elly A. Breves, Mickey E. Gunter, Antonio Lanzirotti, Jonathan M. Tucker, C.J. Carey, Samantha E. Peel, Elizabeth B. Brown, Roberta Oberti, Mirna Lerotic, Jeremy S. Delaney
Published: 01 May 2016
American Mineralogist (2016) 101 (5): 1171–1189.
DOI: https://doi.org/10.2138/am-2016-5556
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Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities

Andreas Ertl, Uwe Kolitsch, M. Darby Dyar, Hans-Peter Meyer, George R. Rossman, Darrell J. Henry, Markus Prem, Thomas Ludwig, Lutz Nasdala, Christian L. Lengauer, Ekkehart Tillmanns, Gerhard Niedermayr
Published: 01 March 2016
European Journal of Mineralogy (2016) 28 (1): 163–177.
DOI: https://doi.org/10.1127/ejm/2015/0027-2501
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Reflectance spectroscopy of chromium-bearing spinel with application to recent orbital data from the Moon

Kelsey B. Williams, Colin R.M. Jackson, Leah C. Cheek, Kerri L. Donaldson-Hanna, Stephen W. Parman, Carle M. Pieters, M. Darby Dyar, Tabb C. Prissel
Published: 01 March 2016
American Mineralogist (2016) 101 (3): 726–734.
DOI: https://doi.org/10.2138/am-2016-5535
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Accurate predictions of iron redox state in silicate glasses: A multivariate approach using X-ray absorption spectroscopy

M. Darby Dyar, Molly McCanta, Elly Breves, C.J. Carey, Antonio Lanzirotti
Published: 01 March 2016
American Mineralogist (2016) 101 (3): 744–747.
DOI: https://doi.org/10.2138/am-2016-5555
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Partitioning of Chlorine Between Nacl Brines and Ferro-pargasite: Implications For the Formation of Chlorine-rich Amphiboles in Mafic Rocks

Albert Chan, David M. Jenkins, M. Darby Dyar
Published: 01 January 2016
The Canadian Mineralogist (2016) 54 (1): 337–351.
DOI: https://doi.org/10.3749/canmin.1500043
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Akaganéite and schwertmannite: Spectral properties and geochemical implications of their possible presence on Mars

Janice L. Bishop, Enver Murad, M. Darby Dyar
Published: 01 April 2015
American Mineralogist (2015) 100 (4): 738–746.
DOI: https://doi.org/10.2138/am-2015-5016
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Mid-infrared emission spectroscopy and visible/near-infrared reflectance spectroscopy of Fe-sulfate minerals

Melissa D. Lane, Janice L. Bishop, M. Darby Dyar, Takahiro Hiroi, Stanley A. Mertzman, David L. Bish, Penelope L. King, A. Deanne Rogers
Published: 01 January 2015
American Mineralogist (2015) 100 (1): 66–82.
DOI: https://doi.org/10.2138/am-2015-4762
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Includes: Supplemental Content